/*********************************************************************************
 *                                                                               *
 * The MIT License (MIT)                                                         *
 *                                                                               *
 * Copyright (c) 2015-2022 aoju.org Greg Messner and other contributors.         *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy  *
 * of this software and associated documentation files (the "Software"), to deal *
 * in the Software without restriction, including without limitation the rights  *
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 * copies of the Software, and to permit persons to whom the Software is         *
 * furnished to do so, subject to the following conditions:                      *
 *                                                                               *
 * The above copyright notice and this permission notice shall be included in    *
 * all copies or substantial portions of the Software.                           *
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 * THE SOFTWARE.                                                                 *
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package org.aoju.bus.gitlab.models;

import com.fasterxml.jackson.annotation.JsonIgnore;

/**
 * This class is used by various models to represent the approved_by property,
 * which can contain a User or Group instance.
 */
public class ApprovedBy {

    private User user;
    private Group group;

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        if (group != null) {
            throw new RuntimeException("ApprovedBy is already set to a group, cannot be set to a user");
        }

        this.user = user;
    }

    public Group getGroup() {
        return group;
    }

    public void setGroup(Group group) {
        if (user != null) {
            throw new RuntimeException("ApprovedBy is already set to a user, cannot be set to a group");
        }

        this.group = group;
    }

    /**
     * Return the user or group that represents this ApprovedBy instance.  Returned
     * object will either be an instance of a User or Group.
     *
     * @return the user or group that represents this ApprovedBy instance
     */
    @JsonIgnore
    public Object getApprovedBy() {
        return (user != null ? user : group);
    }
}
